B96.21 - Shiga toxin-producing Escherichia coli [E. coli] [STEC] O157 as the cause of diseases classified elsewhere
- Applicable to Shiga toxin-producing Escherichia coli [E. coli] [STEC] O157 as the cause of diseases classified elsewhere
- The 2025 edition of ICD10-CM B96.21 became effective on October 1, 2024.
- This is the American ICD10-CM version of B96.21 - other international versions of ICD10 B96.21 may differ.
- B96.21 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Inclusion Term
- E. coli O157:H- (nonmotile) with confirmation of Shiga toxin
- E. coli O157 with confirmation of Shiga toxin when H antigen is unknown, or is not H7
- O157:H7 Escherichia coli [E.coli] with or without confirmation of Shiga toxin-production
- Shiga toxin-producing Escherichia coli [E.coli] O157:H7 with or without confirmation of Shiga toxin-production
- STEC O157:H7 with or without confirmation of Shiga toxin-production
The following codes above B96.21 contain annotation back-references that may be applicable to B96.21:
Chapter: A00-B99 Certain infectious and parasitic diseases
Section: B95-B97 Bacterial and viral infectious agents
Category: B96 Other bacterial agents as the cause of diseases classified elsewhere
Billable/Specific Code
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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